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Finding the Fourth Proportional to 167,830.80, 251,746.20 and 57,022.80

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Solution

The fourth proportional to 167,830.80, 251,746.20 and 57,022.80 is: 85,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,830.80 : 251,746.20 = 57,022.80 : x
  2. Step 2: Convert to fraction form
    167,830.80/251,746.20 = 57,022.80/x
  3. Step 3: Cross multiply
    167,830.80x = 251,746.20 × 57,022.80
  4. Step 4: Simplify right side
    167,830.80x = 14,355,273,213.36
  5. Step 5: Solve for x
    x = 14,355,273,213.36/167,830.80
  6. Step 6: Final answer
    x = 85,534.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.